xTom GmbH is a privately held professional Infrastructure as a service (IaaS) company founded in Düsseldorf, Germany. https://xtom.com/https://bsky.app/profile/xtom.comhttps://bsky.app/profile/xtom.com/post/3miqvzjfmi32qWhat is a GRE tunnel? It wraps packets and sends them across networks like a virtual link. Useful for connecting sites or routing traffic privately. Under the hood, it’s simple but powerful. Read more: https://xt.om/HrUc05 Apr 2026 14:02 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3miqvzjfmi32qhttps://bsky.app/profile/xtom.com/post/3miofkr76g22kNeed better IP or domain lookup than WHOIS? RDAP gives structured, more reliable data with modern access methods. Cleaner, more useful, easier to integrate. Time to upgrade your tools. Read more: https://xt.om/AdBG04 Apr 2026 14:02 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3miofkr76g22khttps://bsky.app/profile/xtom.com/post/3milv2qgkwm2hWhat is the Linux kernel? It’s the core that connects hardware and software. Processes, memory, devices — all go through it. No kernel, no OS. Everything starts here. Read more: https://xt.om/eZB703 Apr 2026 14:01 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3milv2qgkwm2hhttps://bsky.app/profile/xtom.com/post/3mijekxl56f2qWhat is a Looking Glass? It lets you see routing and network paths from another server’s view. Debug latency. Verify routes. Troubleshoot globally. Essential for network operators. Read more: https://xt.om/HTLJ02 Apr 2026 14:01 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mijekxl56f2qhttps://bsky.app/profile/xtom.com/post/3migu3dc33x2nHow does the internet actually work? It’s not magic. It’s packets, routing, protocols, and global infrastructure working together. Behind every click is a complex system. Understand it. Build better. Read more: https://xt.om/LQJb01 Apr 2026 14:00 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3migu3dc33x2nhttps://bsky.app/profile/xtom.com/post/3miedlhkfue23Paying monthly for tools you could run yourself? Self-host OpenClaw and keep control of your data and costs. Your server. Your rules. Stop renting. Start owning. Read more: https://xt.om/xjxx31 Mar 2026 14:00 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3miedlhkfue23https://bsky.app/profile/xtom.com/post/3mgiyrfknfh2xWhat is an ASN? It’s the ID that lets your network speak BGP on the global internet. No ASN, no independent routing. If you’re building serious infrastructure, this matters. Ownership starts at the network layer. Read more: https://xt.om/xN3B07 Mar 2026 23:39 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mgiyrfknfh2xhttps://bsky.app/profile/xtom.com/post/3mggiaorbty2jWhat is BGP? It’s the protocol that decides how traffic moves across the global internet. No BGP, no large-scale routing. If you run networks or data centers, this is core knowledge. Routing shapes the internet. Read more: https://xt.om/kTx906 Mar 2026 23:38 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mggiaorbty2jhttps://bsky.app/profile/xtom.com/post/3mgdxpfdopb2cWebsite slow or unreachable? Start with ping. Trace with traceroute. Go deeper with mtr. Don’t guess network issues. Diagnose them. Read more: https://xt.om/D2ex05 Mar 2026 23:37 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mgdxpfdopb2chttps://bsky.app/profile/xtom.com/post/3mgbhb22dec2tWhat is IP Transit? It’s how your traffic reaches the global internet. No transit, no global routing. If you run networks or host infrastructure, this is foundational. Connectivity isn’t magic. Read more: https://xt.om/nxYQ04 Mar 2026 23:37 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mgbhb22dec2thttps://bsky.app/profile/xtom.com/post/3mg6wrk5kdu27sudo or su? Both give elevated access. But they work very differently. Use the wrong one in production and you risk security issues. Least privilege isn’t optional. Read more: https://xt.om/mk3x03 Mar 2026 23:37 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mg6wrk5kdu27https://bsky.app/profile/xtom.com/post/3mg4g7nfutm2oapt, dnf, or pacman? Different distros. Different package managers. Same goal: install, update, manage software fast. If you run Linux servers, know your toolchain. Read more: https://xt.om/YQoc02 Mar 2026 23:35 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mg4g7nfutm2ohttps://bsky.app/profile/xtom.com/post/3mfzvowu4jx2lchmod or chown? One changes permissions. The other changes ownership. Mix them up on production and you’ll break things fast. If you run Linux, know the difference. Read more: https://xt.om/nCPm01 Mar 2026 23:34 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfzvowu4jx2lhttps://bsky.app/profile/xtom.com/post/3mfxf6bga5e2jRestarting services with random commands? systemctl controls start, stop, restart, enable — all in one place. If you run Linux servers, this isn’t optional knowledge. Manage services the right way. Read more: https://xt.om/auzy28 Feb 2026 23:33 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfxf6bga5e2jhttps://bsky.app/profile/xtom.com/post/3mfuuos7l3g2aStill testing APIs from the browser? curl lets you send requests, debug endpoints, and automate workflows — straight from the terminal. If you build or run systems, you need this tool. Simple. Powerful. Read more: https://xt.om/86Uc27 Feb 2026 23:33 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfuuos7l3g2ahttps://bsky.app/profile/xtom.com/post/3mfse4tnmhg2hcurl or wget? Both download files. But curl is built for APIs. wget is built for recursive downloads. If you work in DevOps, knowing the difference saves time. Use the right tool. Read more: https://xt.om/N6Qc26 Feb 2026 23:31 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfse4tnmhg2hhttps://bsky.app/profile/xtom.com/post/3mfptlikz2g27Cron or systemd for scheduled tasks? Cron is simple. systemd timers are more flexible and modern. If you’re running production, the choice matters. Don’t schedule blindly. Read more: https://xt.om/FQPP25 Feb 2026 23:30 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfptlikz2g27https://bsky.app/profile/xtom.com/post/3mfncfgjqbp2oStill running tasks manually? Cron jobs automate scripts, backups, updates — on schedule. Set it once. Let it run. Automation isn’t optional in production. Read more: https://xt.om/4uTo24 Feb 2026 23:17 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfncfgjqbp2ohttps://bsky.app/profile/xtom.com/post/3mfkrthsgvj2tStill thinking systemd is “just a service manager”? It controls how Linux boots, starts services, logs events, and manages processes. If you run servers, you’re already using it. Better understand it. Read more: https://xt.om/bS9x23 Feb 2026 23:15 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfkrthsgvj2thttps://bsky.app/profile/xtom.com/post/3mfibfonbk32iDownloading files from the browser? On servers, that’s not how it’s done. wget lets you fetch files directly from the command line — fast, scriptable, reliable. Automate it. Save time. Read more: https://xt.om/AWvc22 Feb 2026 23:16 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfibfonbk32ihttps://bsky.app/profile/xtom.com/post/3mffqtt2mnl2hStill using Telnet on production? It sends everything in plain text — no encryption, no protection. Fine for testing. Risky for real servers. If security matters, choose better tools. Read more: https://xt.om/UXdR21 Feb 2026 23:14 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mffqtt2mnl2hhttps://bsky.app/profile/xtom.com/post/3mfdaedgoqw2vProxmox 8 or upgrade to 9? New features sound great. But upgrades break things when rushed. Check compatibility. Plan downtime. Test first. Virtualization isn’t guesswork. Read more: https://xt.om/6nEt20 Feb 2026 23:14 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfdaedgoqw2vhttps://bsky.app/profile/xtom.com/post/3mfapsfusei26Running servers without monitoring? That’s guessing. Grafana turns raw metrics into real-time dashboards you can actually understand. See performance. Spot issues early. Data beats assumptions. Read more: https://xt.om/JMxc19 Feb 2026 23:12 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mfapsfusei26https://bsky.app/profile/xtom.com/post/3mf67csp7yg2tStill moving files manually between servers and cloud? rclone syncs, copies, and manages data across 70+ cloud providers — from your terminal. Automate backups. Move smarter. Stop doing it the hard way. Read more: https://xt.om/xLTj18 Feb 2026 23:12 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mf67csp7yg2thttps://bsky.app/profile/xtom.com/post/3mf3ospqpcj2hFTP or SFTP? One sends data in plain text. The other encrypts everything. If you’re still using FTP on production, you’re taking risks you don’t need to. Security isn’t optional. Read more: https://xt.om/qx8k17 Feb 2026 23:11 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mf3ospqpcj2hhttps://bsky.app/profile/xtom.com/post/3mez6c2jxch2nSSH gives you encrypted remote access to your server — secure, fast, essential. If you manage Linux and don’t use SSH properly, you’re exposed. Lock it down. Work smarter. Read more: https://xt.om/kRBx16 Feb 2026 23:10 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mez6c2jxch2nhttps://bsky.app/profile/xtom.com/post/3mez6aacmdx2nDebian 12 or jump to 13? Stable vs newer packages. Production safety vs fresh features. Upgrading isn’t just “apt upgrade”. Plan it right. Avoid downtime. Read more: https://xt.om/XCsG16 Feb 2026 23:09 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mez6aacmdx2nhttps://bsky.app/profile/xtom.com/post/3mewnpks5js26Shared hosting chaos? CloudLinux isolates users, limits resource abuse, and keeps servers stable. No more one account killing performance for everyone. Better uptime. Predictable resources. Read more: https://xt.om/QnGC15 Feb 2026 23:08 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mewnpks5js26https://bsky.app/profile/xtom.com/post/3meu566hxmc2xStill managing servers the hard way? HestiaCP makes hosting on Debian/Ubuntu simple — web, mail, DNS in one panel. Less manual work. More control. Deploy smarter. Read more: https://xt.om/Cm5614 Feb 2026 23:07 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3meu566hxmc2xhttps://bsky.app/profile/xtom.com/post/3mermniwjzf2lIf you don’t know your CPU, you don’t know your server. Before scaling, tuning, or blaming “performance issues”… Check what you’re actually running. A few simple Linux commands give you full CPU details in seconds. Know your hardware. Optimize smarter. Read more: https://xt.om/rYRj13 Feb 2026 23:06 +0000at://did:plc:y7wojlrk33kq33zceisdls2o/app.bsky.feed.post/3mermniwjzf2l